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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A220853 Denominators of the fraction (30*n+7) * binomial(2*n,n)^2 * 2F1([1/2 - n/2, -n/2], [1], 64)/(-256)^n, where 2F1 is the hypergeometric function.

Table of values

n a(n)
0 1
1 64
2 16384
3 1048576
4 1073741824
5 68719476736
6 17592186044416
7 1125899906842624
8 4611686018427387904
9 295147905179352825856
10 75557863725914323419136
11 4835703278458516698824704
12 4951760157141521099596496896
13 316912650057057350374175801344

List of values

[1, 64, 16384, 1048576, 1073741824, 68719476736, 17592186044416, 1125899906842624, 4611686018427387904, 295147905179352825856, 75557863725914323419136, 4835703278458516698824704, 4951760157141521099596496896, 316912650057057350374175801344]